Twenty thousand men have died at Austerlitz and Marshal Kutuzov has written to Prince Bolkonsky to inform him that Andrei is among them. Maria is afraid to pass on this news to Andrei's wife, Lisa, as her pregnancy is at an advanced stage. There is a happier mood at the Rostovs when Nikolai arrives home bringing Denisov with him. While Natasha is no longer infatuated with Boris, Sonya is still in love with Nikolai, but wants him to be free if that is his wish. Pierre, now married to Helene, is just about the only man in Moscow who is unaware that his wife has taken a man called Dolohov as her lover. Dolohov is introduced to the Rostov family; he feels that it is high time he was married and immediately shows an interest in Sonya.... (thetvdb.com)